package com.guyaogg.gulimall.order.config;

import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

/**
 * 注入 mq 的绑定关系、队列、交换机 ，注入后都会自动创建这些东西
 * # @Bean Binding\Queue\Exchange
 *
 * @author 顾遥
 */
@Slf4j
@Configuration
public class MyMqConfig {





    @Bean
    public Queue orderDelayQueue() {
        //String name, boolean durable, boolean exclusive, boolean autoDelete,
        //			@Nullable Map<String, Object> arguments

        // x-dead-letter-exchange: order-event-exchange
        //x-dead-letter-routing-key: order.release.order
        //x-message-ttl: 60000
        Map<String, Object> arguments = new HashMap<>(8);
        arguments.put("x-dead-letter-exchange","order-event-exchange");
        arguments.put("x-dead-letter-routing-key","order.release.order");
        arguments.put("x-message-ttl",60000);
        return new Queue("order.delay.queue", true, false, false, arguments);
    }

    @Bean
    public Queue orderReleaseOrderQueue() {
        return new Queue("order.release.order.queue", true, false, false);
    }

    @Bean
    public Exchange orderEventExchange() {
        return new TopicExchange("order-event-exchange",true,false);
    }

    /**
     * 流量肖峰
     * @return
     */
    @Bean
    public Queue orderSeckillOrderQueue() {
        return new Queue("order.seckill.order.queue",
                true,
                false,
                false,
                null);
    }
    @Bean
    public Binding orderSeckillOrderBinding() {
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }
    /**
     * 订单释放直接和库存释放绑定
     * @return
     */
    @Bean
    public Binding orderReleaseOtherBinding() {
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }

    @Bean
    public Binding orderCreateOrderBinding() {
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
    }

    @Bean
    public Binding orderReleaseOrderBinding() {
        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
    }
}
